Finding the Fourth Proportional to 1,049,299,382.44, 1,447,510,136.04 and 625,614,234.40
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Solution
The fourth proportional to 1,049,299,382.44, 1,447,510,136.04 and 625,614,234.40 is: 863,035,812.94
Step by Step Solution
- Step 1: Write the proportion equation
1,049,299,382.44 : 1,447,510,136.04 = 625,614,234.40 : x - Step 2: Convert to fraction form
1,049,299,382.44/1,447,510,136.04 = 625,614,234.40/x - Step 3: Cross multiply
1,049,299,382.44x = 1,447,510,136.04 × 625,614,234.40 - Step 4: Simplify right side
1,049,299,382.44x = 905,582,945,544,904,448 - Step 5: Solve for x
x = 905,582,945,544,904,448/1,049,299,382.44 - Step 6: Final answer
x = 863,035,812.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.